Q: In a certain weightlifting machine, a weight of 100 kg is lifted by an effort of 25 kg. The mechanical advantage is /एक निश्चित भार-उत्तोलन मशीन में 100 kg का भार 25 kg के प्रयास से उठाया जाता है यांत्रिक लाभ है।
A.
4
B.
40
C.
1/4
D.
1/40
Correct Answer:
Option A -
Explanations:
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